A nobleman ranking below an earl or count and above a baron.
Used as a title for such a nobleman.
(historical) In England,
- A deputy of an earl.
- A sheriff.
A nobleman next below an earl or count and above a baron.
Origin of viscount
- Middle English from Old French visconte from Medieval Latin vicecomes vicecomit- Late Latin vice- vice- Late Latin comes occupant of any state office count2
From American Heritage Dictionary of the English Language, 5th Edition